// Copyright 2023 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

namespace ext
{

template <typename T>
class unlock_guard
{
public:
    unlock_guard(T & mutex_)
        : mutex(mutex_)
    {
        mutex.unlock();
    }

    ~unlock_guard() { mutex.lock(); }

    unlock_guard(const unlock_guard &) = delete;
    unlock_guard & operator=(const unlock_guard &) = delete;

private:
    T & mutex;
};

} // namespace ext
